Subversion Repositories HelenOS-historic

Rev

Rev 1705 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1705 Rev 1780
Line 54... Line 54...
54 
}
 54 
}
55 
 
 55 
 
56 
/** Perform amd64 specific tasks needed before the new thread is scheduled. */
 56 
/** Perform amd64 specific tasks needed before the new thread is scheduled. */
57 
void before_thread_runs_arch(void)
 57 
void before_thread_runs_arch(void)
58 
{
 58 
{
59 
    CPU->arch.tss->rsp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];
 59 
    CPU->arch.tss->rsp0 = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];
60 
 
 60 
 
61 
    /* Syscall support - write address of thread stack pointer to
 61 
    /* Syscall support - write address of thread stack pointer to
62 
     * hidden part of gs */
 62 
     * hidden part of gs */
63 
    swapgs();
 63 
    swapgs();
64 
    write_msr(AMD_MSR_GS, (__u64)&THREAD->kstack);
 64 
    write_msr(AMD_MSR_GS, (uint64_t)&THREAD->kstack);
65 
    swapgs();
 65 
    swapgs();
66 
 
 66 
 
67 
    /* TLS support - set FS to thread local storage */
 67 
    /* TLS support - set FS to thread local storage */
68 
    write_msr(AMD_MSR_FS, THREAD->arch.tls);
 68 
    write_msr(AMD_MSR_FS, THREAD->arch.tls);
69 
 
 69